Rotation of plane polarised light is measured by
Manometer
Polarimeter
Viscometer
Refractometer
Identify isomers $A$ and $B$
Which of the following are meso compound?
Optical activity of an enantiomeric mixture is $+12.6^{\circ}$ and the specific rotation of $(t)$ isomer is $+30^{\circ}$. The optical purity is $........\%$
The isomers which can be converted into another forms by rotation of the molecules around single bond are
Which of the following molecules are chiral ?